67907983 has 24 divisors (see below), whose sum is σ = 83924064. Its totient is φ = 54479040.

The previous prime is 67907977. The next prime is 67907989. The reversal of 67907983 is 38970976.

It is an interprime number because it is at equal distance from previous prime (67907977) and next prime (67907989).

It is not a de Polignac number, because 67907983 - 2⁵ = 67907951 is a prime.

It is a super-2 number, since 2×67907983² = 9222988310256578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67907989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35241 + ... + 37117.

It is an arithmetic number, because the mean of its divisors is an integer number (3496836).

Almost surely, 2^67907983 is an apocalyptic number.

67907983 is a deficient number, since it is larger than the sum of its proper divisors (16016081).

67907983 is a wasteful number, since it uses less digits than its factorization.

67907983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 67907983 is about 8240.6300123231. The cubic root of 67907983 is about 407.9813184289.

The spelling of 67907983 in words is "sixty-seven million, nine hundred seven thousand, nine hundred eighty-three".